/*
 * 移除弹出框默认的url链接
 * 2017/6/14
 * bin.kang
 */
var wAlert = window.alert;    
window.alert = function (message) {    
    try {    
        var iframe = document.createElement("IFRAME");    
        iframe.style.display = "none";    
        iframe.setAttribute("src", 'data:text/plain,');    
        document.documentElement.appendChild(iframe);    
        var alertFrame = window.frames[0];    
        var iwindow = alertFrame.window;    
        if (iwindow == undefined) {    
            iwindow = alertFrame.contentWindow;    
        }    
        iwindow.alert(message);    
        iframe.parentNode.removeChild(iframe);    
    }    
    catch (exc) {    
        return wAlert(message);    
    }    
}    
var wConfirm = window.confirm;    
window.confirm = function (message) {    
    try {    
        var iframe = document.createElement("IFRAME");    
        iframe.style.display = "none";    
        iframe.setAttribute("src", 'data:text/plain,');    
        document.documentElement.appendChild(iframe);    
        var alertFrame = window.frames[0];    
        var iwindow = alertFrame.window;    
        if (iwindow == undefined) {    
            iwindow = alertFrame.contentWindow;    
        }    
        var result=iwindow.confirm(message);    
        iframe.parentNode.removeChild(iframe);    
        return result;  
    }    
    catch (exc) {    
        return wConfirm(message);    
    }    
}  


